Article ID Journal Published Year Pages File Type
4656226 Journal of Combinatorial Theory, Series A 2009 11 Pages PDF
Abstract

We prove a q-identity in the dendriform algebra of colored free quasi-symmetric functions. For q=1, we recover identities due to Ebrahimi-Fard, Manchon, and Patras, in particular the noncommutative Bohnenblust–Spitzer identity.

Related Topics
Physical Sciences and Engineering Mathematics Discrete Mathematics and Combinatorics